Video to Audio
Free online tool to extract audio from videos and download as MP3 / WAV / M4A. Processed entirely in your browser with no file uploads, ensuring privacy and complete freedom.
提示：首次使用需加载本地处理组件（约几十 MB），请稍候；之后即时可用。
FAQ
No. This tool processes videos and extracts audio entirely within your browser, with no files sent to any server—verify this in your browser's network panel.
Supports common video formats like mp4, mov, mkv, avi, webm, flv; outputs MP3, WAV (lossless), and M4A (AAC).
Processing is done locally on your device using WebAssembly, so speed depends on video length and device performance; benefits include privacy and zero cost.
Yes, batch upload is supported. The tool processes each file individually and allows you to download them one by one or all together.